J075540 Ferraz Shawmut - Fuse

J075540 Description

Rated at 250 V and 500 A, the Mersen J075540 is a semiconductor fuse. It protects power semiconductors such as diodes, thyristors and IGBTs from short-circuit damage in drives, rectifiers and UPS systems.

We help engineers and repair technicians find parts like the J075540, including obsolete ones. Send a quick RFQ for current pricing and delivery. Before ordering, please confirm ratings and pin-out with the official datasheet.

Summary of Features

Target Applications

Ferraz Shawmut J075540 is used for protection of power semiconductors (diodes, thyristors, IGBT modules) in rectifiers, AC drives, soft starters, UPS systems and other power electronic equipment with AC supply up to 250 V.

Key Specifications

Mersen (Ferraz Shawmut) J075540 is a Protistor BS88-4 semiconductor protection fuse, size 36x27, 500 A, 250 VAC, class aR, without trip indicator (designation URGG 36/500; catalog number BS36UG25V500). Source: Mersen Protistor BS88-4 semiconductor fuses 36x27 / 2x36x27, 250 VAC datasheet (SCAC206-207).

Parameter	Value
Catalog number	BS36UG25V500
Reference number	J075540
Designation	URGG 36/500
Standard	BS 88-4 / IEC 60269-4, VDE 636-23
Rated voltage	250 VAC
Rated current	500 A
Utilization class	aR
Size	36x27
Breaking capacity	100 kA at 250 V
Pre-arcing I²t (1 ms)	43000 A²s
Total clearing I²t at 250 V	219000 A²s
Watts loss at 0.8 IN / IN	30.4 W / 60.8 W
Trip indicator	without trip indicator
Minimum operating voltage for trip indicator	20 V
Weight (approx.)	170 g

Technical document (PDF)  |  Request a quote for J075540 (reply within 24 hours)